XTAUTO 5-LED Car Door Warning Light - Universal Wireless Safety Light for Anti Rear-End Collision (Blue) Review

When open the car door, the red warning light flashes rapidly, reminding the rear vehicles or pedestrians the car doors are opening to avoid collisions or accident occurred. Fit for any cars, SUV, truck. This car door crash lights use wireless design, no need to cut or destroy the original car wires, just stick them at the door by the self-gum. Does not affect the door opening, closing. The universal strobe warning light, built-in magnetic sensor, it will start flashing once the car door is opened, close the door the light will turn off automatically. High sensitivity and good stability. Come with waterproof rubber ring inside to better protect the main control board. It can be used even on rainy days. Safety warning light use CR2032 button battery (battery is included), at normal operating condition, battery life expectancy is 720 hours. Screw cap design, can replace the battery easily.